Syringe.



Patented April 18, 1905.

PATENT OFFICE.

VILLIAM H. PONTIOUS, OF CHICAGO, ILLINOIS.

SYRINGE siJEcIFrcATIoN forming part of Letters Patent No. 787,694, dated April 18, 1905.

Application filed December 19, 1903. Serial No. 185.870.

To all whom, it may concern.-

Beit known that I, WILLIAM H. PoNTIoUs, a citizen of theUnited States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Syringes, of which the following is a specification.

This invention relates to syringes, and while it is particularly designed for use as a rectal syringe it is also capable of efficient use as a syringe for any purpose.

One object of the present invention is to provide for the convenient and effective mixing of hot and cold water or other liquid within the syringe-body, so as to insure the discharge of a liquid of uniform temperature and also to provide for alternating the discharge from hot to cold, and'vice versa. In

' connection with this mixing feature it is furthermore designed to secure a thorough mixing of medicines with the liquid prior to the discharge thereof from the syringe-body.

Another object of the invention is to arrange the device for use either as a dilater or as an irrigator-that is to say, to adapt it as a plug to prevent the immediate escape of the liquid om the body of the patient and also to provide for the immediate escape of the liquid when it is desired to wash and clleanse the part to which the device is app ied.

With these and other objects -in view the present invention consists in the combination and arrangement of parts, as will be hereinafter more fully described, shown in the accompanying drawings, and particularly pointed out in the appended claims, it of course being understood that changes in the form, proportion, size, and minor details may be made within the scope of the claims without departing from the spirit or sacrificing any of the advantages of the invention.

In the drawings, Figure 1 is a longitudinal sectional view of a syringe embodying the features of the resent invention. Fig` 2 is a cross-sectiona view thereof on the line 2 2 of Fig. 1. Figs. 3, 4, and 5 are views illustrating dierent methods of using the syrinve.

like characters of reference designate corresponding parts in each and every figure of the drawings.

In carrying out the present invention I employ a hollow tapered or conical body l, of hard smooth material, preferably hard rubber, with its tapered or apex end drawn out to form a reduced tubular discharge-noz- Zle 2, which is provided in its outer end. with one or more discharge-openings 3. The rear end of the body is in the form of a circular or oval fiat head 4, with a central outwardly-directed nipple 5, preferably formed integral therewith for the reception of a supply-tube 6, as shown in Figs. 3, 4, and 5. v

As Vthus far described the device is particularly designed for use as a rectal syringe o'r dilator, as the syringe-body forms a plug to prevent the immediate escape of the liquid.

from the patient. It will here be noted that the hollow conical body forms a tapered mixing-chamber to effectually mix the liquid before it emerges through the discharge-nozzle. This is a very important feature, in that when the tube 6 is connected to a supply'of both hot and cold water the water of different temperatures will be effectually mixed and brought to a uniform temperature before discharging from the syringe, thereby obviating shocks to the patient by the alternate injection of water of dierent temperatures.

kIn order that liquid and powdered medicines may be introduced into the mixingchamber, an inlet-nipple 7 of comparatively large diameter is provided upon the head 4 and is equipped with a suitable plug or closure 8, which is removable to permit the introduction of medicines through said nipple. When medicines have been placed within the mixing chamber and water introduced Opposite the nipple 8 there is another nipple 10, having a removable plug 1 1, and within the mixing-chamber there is a longitudinal channel or passage 12, which has no communication whatsoever with the interior of the chamber,` but has its rear end registered and in communication with the nipple 10 and its forward end piercing the adjacent Wall of the mixing-chamber, as at 13. This passage adapts the device as an irrigator or cleanser, as it permits of the escape of the liquid from the patient through said passage, yfrom which it is conductedto any suitable receptacle by means of a tube 14, connected to the nipple 10, as clearly illustrated in Fig. 5 of the drawings. When the device isnot being used as a cleanser, the nipple 10 is closed by means of the plug 11.

Although Ihave shown and described the device as providedwith the escape-passage 12 and the two nipples 7 and 10 in order that a single device may be employed for a variety of different purposes, it will of course be understood that I contemplate omitting the passage 12 and the nipples v7 and 10 in some instances where the mixing-chamberfeature alone is desired. Furthermore, the passage 12 andthe nipple 10 may be provided without the nipple 7, and vice versa.

Having thus described the invention, what is claimed, and desired to be secured byLetters Patent, is-

1. Asyringe having a mixing-chamber provided with an outlet-opening atone end, a plurality of separate and independent inletopenings at the other end, for the purposes p speciiied and means for preventing the mixmg of the used with the unused irrigating liquid.

2. Asyringehaving a mixing-chamber provided with a plurality of separate inlet-openings'for the admission of different substances simultaneously thereto, and means for controlling the outletflow of used liquid whereby the liquid. may be retained in or discharged from the flushed cavity.

3. Asyringe having a mixing-chamberprovided with a plurality of separate inlet-openings for the admission of different substances thereto, a tubular discharge-nozzle and a separate outlet for the used irrigating liquid whereby contact of the used with the unused liquid is prevented.

4. Asyringe having a mixing-chamberprovided with a plurality of separate inlet-openings for the admission of different substances simultaneously thereto, a tubular dischargenozzle and a separate outlet for the used irrigating liquid whereby contact of the used with the unused liquid is prevented, and means for closing and opening the outlet t0 control the outiiow of the used liquid.

5. A syringe having a conical mixingchamber provided with a plurality of Separate inlet-openings for the admission of different substances thereto, an elongated tubular discharge-nozzle extending from the apex and an outlet-tube formed within and adjacent to the wall of the mixing-chamber, said tube being provided at one end with an external opening adjacent to the dischargenozzle and at the other end with means for attaching a iiexible tube thereto.

6. A syringe comprising a hollow conical body, constituting a mixing-chamber having its apex end extended to form a reduced tubular discharge-nozzle, an inlet-nipple carried by the opposite end or head of the body, a passage within the mixing-chamber with one end piercing the front portion of the side wall of the chamber and its opposite end piercing the head of the chamber but without communication with the interior of the chamber, and a removable closure for the rear end of the passage.

In testimony whereof I aflnix my signature in presence of two witnesses.

WILLIAM H. PONTIOUS.

Witnesses z FLORENCE HALLOWELL, AMY RAYMOND. 

